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Parallel Lines and Transversals

Three or more parallel lines cut by two transversals divide them proportionally.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

Parallel Lines and Transversals

This concept teaches students how to use the Triangle Proportionality Theorem with multiple parallel lines.

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• PLIX

Parallel Lines and Transversals: Support Beams

Parallel Lines and Transversals Interactive

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• Video

Parallel Lines and Transversals Principles

This video gives more detail about the mathematical principles presented in Parallel Lines and Transversals.

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• Video

Parallel Lines and Transversals Examples

This video shows how to work step-by-step through one or more of the examples in Parallel Lines and Transversals.

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• Practice
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Parallel Lines and Transversals Practice

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• Critical Thinking

Parallel Lines and Transversals Discussion Questions

A list of student-submitted discussion questions for Parallel Lines and Transversals.

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Parallel Lines and Transversals Pre Read

To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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Parallel Lines and Transversals Post Read

To stress understanding of a concept by summarizing the main idea and applying that understanding to create visual aids and generate questions and comments using a Concept Matrix.

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Parallel Lines and Transversals KWL Chart

With this KWL Chart, reflect on your prior knowledge of a concept, come up with questions you’re curious about, and come up with answers from the reading.

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• Real World Application

Parallel Lines And Transversals

What if you were asked to design your own city? How would you use parallel lines and transversals to design your city.

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• Study Guide